Vesuvan Duplimancy (Promo Pack) [Dominaria United Promos] Phyrexian Snake Discard three cards: Exile Nezahal

Discard three cards: Exile Nezahal

return it to the battlefield under its owner's control with an oil counter on it

Then those choices are revealed

Set: Outlaws of Thunder Junction Prerelease Promos Type: Creature — Hydra Rarity: Mythic Cost: {X}{G} Vigilance

and Scars of Mirrodin expansions

Vesuvan Duplimancy (Promo Pack) [Dominaria United Promos] Phyrexian Snake Discard three cards: Exile NezahalSet: Dominaria United Promos Type: Enchantment Rarity: Mythic Cost: {3}{U} Whenever you cast a spell that targets only a single artifact or creature you control, create a token that's a copy of that artifact or creature, except it's not legendary. "There hasn't been an original thought on Vesuva in centuries." Emmest, Tolarian chronicler